@misc{indiciae7017e0f5af30,
  title = {Gravity survey of the Colville Indian Reservation, northeastern Washington},
  author = {Mark Sherrard and V. J. Flanigan and M. W. Webring},
  year = {1986},
  doi = {10.3133/ofr86326},
  url = {https://pubs.usgs.gov/publication/ofr86326},
  note = {Source identifier: ofr86326}
}